Department of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chainat Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chainat Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Khon Kaen Field Crops Research CenterDepartment of Agriculture, Bangkok (Thailand). Field Crops Research InstituteDepartment of Agriculture, Bangkok (Thailand). Field Crops Research Institute. Chainat Field Crops Research Center